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high torque low rpm 3 phase ac electric engine 50NM
high torque low rpm 3 phase ac electric engine 50NM
Supplier Info
[China Supplier]
Contact Person : Ms. Zhan Lisa
Tel : 86-571-57576990
Fax : 86-571-82308685
Product Detail
high torque low rpm 3 phase ac electric engine 50NM shaft diamter: 24mm shaft length: 50mm current: 4A ISO CE Certificate

High torque low rpm 3 phase ac electric engine 50NM is a brushless, synchronous electric motor that can divide a full rotation into a large number of steps. The motor’s position can be controlled precisely, without any feedfack mechanism. Choice of motor shaft length, single or double shaft, optical encoder and planetary gearbox are available for most motors.

The specifications of FHB31332



Step Angle(°)


Length L(mm)


Holding torque(N.m)


Current (A/phase)




Inductance (mH)


Rotor inertia (g.c M2)


Weight (kg)


Step Angle Accuracy



   80°C   Max

Ambient Temperature

   -20°C ~  +50 °C

Insulation Resistance

 100M  Ω  Min 500 V DC

Dielectric strength

500V AC 1minute

Shaft Radial Play


Shaft Axial Play

0.1 ~0.3 Max(450g-load)

Shaft diameter(mm)


Shaft length(mm)


Drive Features


1, High performance, low price

2, Provides 16 kinds of microstep selection,resolution can be set to 60000pulse/rev

3, Once the pulse stops for 100ms,the phase current will automatically reduce to preset value

4, Bipolar constant current chopper control

5, Photocoupler isolated input/output

6, Adjustable drive current divided into 16 grades range from 0.7A/phase ~ 7A/phase

7, Single power input, voltage range from AC110V~220V

8, The upmost pulse response frequence amounts to 200Kpps

9, Phase memorize(Notes: Once the pulse stops for 5s or more,the Driver will memorize the current phases automatically so that it can be resume after restart or MF signal changes from valid to invalid.)

Typical application

10, Carve machine

11, Precise large size & middle size lathe

12, Packing machine

13, Computer control embroidering machine

14, Constant speed application

Please contact with us for more detailed technical information.

We can design according to clients' requirements.

high torque low rpm 3 phase ac electric engine 50NM

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